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Iron deficiency anemia  causing blue skin under the eyes. If there is a shortage of iron in the body, oxygen cannot be properly transported by the blood. Hemoglobin is the oxygen transporting component in the blood, moving oxygen from the lungs to the cells where it is released for normal cell metabolism.
1 Sometimes yellowing of the eyes is caused by anemia. Taking an iron supplement or eating foods high in iron, such as leafy green vegetables, beans, liver, beef, and chicken can improve your iron stores.  Use antiviral medication if hepatitis is the cause of the whites of eyes yellow.